itunes should now work properly. Reinstalling Flip4Mac should not prevent itunes from working unless you run monolingual again. If you decide to use monolingual in the future, Flip4Mac si dovrebbe aggiungere alla lista nera andando a:

I suspected monolingual was the culprit but i had no idea what it had modified to mess with itunes! Without this fix i would have been completely stuck! thank you for such a specific fix to this obscure problem!